New Jersey Statutes Title 17. Corporations and Institutions for Finance and Insurance 17 § 16F-35

a. A mortgage servicer licensee and person exempt from licensure pursuant to paragraph (4) of subsection b. of section 3 of this act  1 shall maintain adequate records of each residential mortgage loan transaction at the office named in the mortgage servicer or residential mortgage lender license, or, if requested by the commissioner, shall make the records available at the office or send the records to the commissioner by registered or certified mail, return receipt requested, or by any express delivery carrier that provides a dated delivery receipt, not later than five business days after requested by the commissioner to do so. Upon request, the commissioner may grant a licensee additional time to make the records available or send them to the commissioner. The records shall provide the following information:

b. Every mortgage servicer licensee and person exempt from licensure pursuant to paragraph (4) of subsection b. of section 3 of this act shall retain the records of each residential mortgage loan serviced for not less than two years following the final payment on the residential mortgage loan, or the assignment of the residential mortgage loan, whichever occurs first, or a longer period as may be required by any other provision of law. Every mortgage servicer licensee and person exempt from licensure pursuant to paragraph (4) of subsection b. of section 3 of this act shall keep and use in its business books, accounts and records that will enable the commissioner to determine whether the mortgage servicer is complying with the provisions of this act.